<template>
  <div>
    <div style="margin: 10px 0">
      <el-input style="width: 200px" placeholder="请输入名称" suffix-icon="el-icon-search" v-model="username"></el-input>
      <el-input style="width: 200px" placeholder="请输入邮箱" suffix-icon="el-icon-message" class="ml-5" v-model="email"></el-input>
      <el-input style="width: 200px" placeholder="请输入地址" suffix-icon="el-icon-position" class="ml-5" v-model="address"></el-input>
      <el-button class="ml-5" type="primary" @click="load">搜索</el-button>
      <el-button type="warning" @click="reset">重置</el-button>
    </div>

    <div style="margin: 10px 0">
      <el-button type="primary" @click="handleAdd">新增 <i class="el-icon-circle-plus-outline"></i></el-button>
      <el-popconfirm
          class="ml-5"
          confirm-button-text='确定'
          cancel-button-text='我再想想'
          icon="el-icon-info"
          icon-color="red"
          title="您确定批量删除这些数据吗？"
          @confirm="delBatch"
      >
        <el-button type="danger" slot="reference">批量删除 <i class="el-icon-remove-outline"></i></el-button>
      </el-popconfirm>
      <el-upload action="http://localhost:9090/user/import" :show-file-list="false" accept="xlsx" :on-success="handleExcelImportSuccess" style="display: inline-block">
        <el-button type="primary" class="ml-5">导入 <i class="el-icon-bottom"></i></el-button>
      </el-upload>
      <el-button type="primary" @click="exp" class="ml-5">导出 <i class="el-icon-top"></i></el-button>
    </div>

    <el-table :data="tableData" border stripe :header-cell-class-name="'headerBg'"  @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55"></el-table-column>
      <el-table-column prop="id" label="ID" width="80"></el-table-column>
      <el-table-column prop="username" label="用户名" width="140"></el-table-column>
      <el-table-column label="角色">
        <template v-slot="scope">
          <span v-if="scope.row.role">{{ roles.find(v => v.flag === scope.row.role) ? roles.find(v => v.flag === scope.row.role).name : ''  }}</span>
        </template>
      </el-table-column>
      <el-table-column prop="nickname" label="姓名" width="120"></el-table-column>
      <el-table-column prop="age" label="年龄"></el-table-column>
      <el-table-column prop="email" label="邮箱"></el-table-column>
      <el-table-column prop="phone" label="电话"></el-table-column>
      <el-table-column prop="address" label="地址"></el-table-column>
      <el-table-column prop="salary" label="薪水(元/月)"></el-table-column>
      <el-table-column prop="occupation" label="职位"></el-table-column>
      <el-table-column prop="department" label="所属部门">
        <template v-slot="scope">
          <span v-if="scope.row.department">{{ departments.find(v => v.flag === scope.row.department) ? departments.find(v => v.flag === scope.row.department).departmentName : ''  }}</span>
        </template>
      </el-table-column>

      <el-table-column label="操作"  width="200" align="center">
        <template slot-scope="scope" v-if="user.id !== scope.row.id">
          <el-button  type="success" @click="handleEdit(scope.row)">编辑 <i class="el-icon-edit"></i></el-button>
          <el-popconfirm
              class="ml-5"
              confirm-button-text='确定'
              cancel-button-text='我再想想'
              icon="el-icon-info"
              icon-color="red"
              title="您确定删除吗？"
              @confirm="del(scope.row.id)"
          >
            <el-button  type="danger" slot="reference">删除 <i class="el-icon-remove-outline"></i></el-button>
          </el-popconfirm>
        </template>
      </el-table-column>
    </el-table>
    <div style="padding: 10px 0">
      <el-pagination
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          :current-page="pageNum"
          :page-sizes="[2, 5, 10, 20]"
          :page-size="pageSize"
          layout="total, sizes, prev, pager, next, jumper"
          :total="total">
      </el-pagination>
    </div>

    <el-dialog title="用户信息" :visible.sync="dialogFormVisible" width="30%" @close="cancelDialog()">
      <el-form label-width="80px" size="small" ref="saveForm" :rules="rules" :model="form">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="form.username" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="角色" prop="role">
          <el-select clearable v-model="form.role" placeholder="请选择角色" style="width: 100%">
            <el-option v-for="item in roles" :key="item.name" :label="item.name" :value="item.flag"></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="姓名" prop="nickname">
          <el-input v-model="form.nickname" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="年龄" prop="age">
          <el-input v-model="form.age" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="form.email" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="电话" prop="phone">
          <el-input v-model="form.phone" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="地址" prop="address">
          <el-input v-model="form.address" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="薪水" prop="salary">
          <el-input v-model="form.salary" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="岗位" prop="occupation">
          <!-- <el-input v-model="form.occupation" autocomplete="off"></el-input> -->
          <el-select v-model="form.occupation" placeholder="请选择部门">
            <el-option
                v-for="item in occupations"
                :key="item.id"
                :label="item.occupationName"
                :value="item.occupationName">
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="所属部门" prop="department">
          <el-select clearable v-model="form.department" placeholder="请选择所属部门" style="width: 100%">
            <el-option v-for="item in departments" :key="item.departmentName" :label="item.departmentName" :value="item.flag"></el-option>
          </el-select>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="cancelDialog()">取 消</el-button>
        <el-button type="primary" @click="save">确 定</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
export default {
  name: "User",
  data() {
    return {
      rules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },        ],
        role: [
          { required: true, message: '请选择角色', trigger: 'change' }
        ],
        nickname: [
         { required: true, message: '请输入姓名', trigger: 'blur'},
        ],
        age: [
          { required: true, message: '请输入年龄', trigger: 'blur' },
        ],
        phone: [
          { required: true, message: '请输入电话', trigger: 'blur' },
        ],
        salary: [
          { required: true, message: '请输入薪水', trigger: 'blur' },
        ],
        occupation: [
          { required: true, message: '请输入岗位', trigger: 'blur' },
        ],
        department: [
          { required: true, message: '请选择所属部门', trigger: 'change' }
        ]
    },
      tableData: [],
      total: 0,
      pageNum: 1,
      pageSize: 10,
      user: localStorage.getItem("user") ? JSON.parse(localStorage.getItem("user")) : {},
      username: "",
      email: "",
      address: "",
      form: {},
      dialogFormVisible: false,
      multipleSelection: [],
      roles: [],
      departments: [],
      occupations: [],
    }
  },
  created() {
    this.load()
  },
  methods: {
    load() {
      this.request.get("/user/page", {
        params: {
          pageNum: this.pageNum,
          pageSize: this.pageSize,
          username: this.username,
          email: this.email,
          address: this.address,
        }
      }).then(res => {
        this.tableData = res.data.records
        this.total = res.data.total
      })

      this.request.get("/role").then(res => {
        this.roles = res.data
      })

      this.request.get("/department").then(res => {
        this.departments = res.data
      } )
    },
    save() {
      this.$refs.saveForm.validate((valid) => {
        if (!valid) {
          this.$message.error("请填写正确的信息")
          return false
        }
        this.request.post("/user", this.form).then(res => {
        if (res.code === '200') {
          this.$message.success("保存成功")
          this.dialogFormVisible = false
          this.load()
        } else {
          this.$message.error("保存失败")
        }
      })
      })

    },
    getOccupations(){
      this.request.get("/occupation").then(res => {
        if (res.code === '200') {
          this.occupations = res.data
        } else {
          this.$message.error("保存失败")
        }
      })
    },
    handleAdd() {
      this.getOccupations()
      this.dialogFormVisible = true
      this.form = {}
    },
    handleEdit(row) {
      this.form = JSON.parse(JSON.stringify(row))
      this.dialogFormVisible = true
    },
    del(id) {
      this.request.delete("/user/" + id).then(res => {
        if (res.code === '200') {
          this.$message.success("删除成功")
          this.load()
        } else {
          this.$message.error("删除失败")
        }
      })
    },
    handleSelectionChange(val) {
      console.log(val)
      this.multipleSelection = val
    },
    delBatch() {
      let ids = this.multipleSelection.map(v => v.id)  // [{}, {}, {}] => [1,2,3]
      this.request.post("/user/del/batch", ids).then(res => {
        if (res.code === '200') {
          this.$message.success("批量删除成功")
          this.load()
        } else {
          this.$message.error("批量删除失败")
        }
      })
    },
    reset() {
      this.username = ""
      this.email = ""
      this.address = ""
      this.load()
    },
    handleSizeChange(pageSize) {
      console.log(pageSize)
      this.pageSize = pageSize
      this.load()
    },
    handleCurrentChange(pageNum) {
      console.log(pageNum)
      this.pageNum = pageNum
      this.load()
    },
    exp() {
      window.open("http://localhost:9090/user/export")
    },
    handleExcelImportSuccess() {
      this.$message.success("导入成功")
      this.load()
    },
    cancelDialog() {
      this.dialogFormVisible = false
      this.$refs.saveForm.resetFields()
      this.form = {}
    }
  }
}
</script>


<style>
.headerBg {
  background: #eee!important;
}
</style>
